We are a producer for high precision bicycle ball bearings,we also act as bearing supplier,the bearing is high quality bearings.
Cam and roller follower bearings can run on all types of tracks and are used for rolling drives, ...
Common cassette oil seal pressure range is very limited, generally 0.03 mpa.This pressure is gene...
Teflon oil seals edge in the existence of "critical oil film", for reducing the life of blade wea...
Rotary shaft oil seals leakage reason: 1, poor skeleton oil seal, resulting in early leakage 2, ...